Search a number
-
+
25141408 = 251941351
BaseRepresentation
bin101111111101…
…0000010100000
31202022022112021
41133322002200
522414011113
62254511224
7423461365
oct137720240
952268467
1025141408
1113212126
128505514
135293696
1434a646c
15231948d
hex17fa0a0

25141408 has 24 divisors (see below), whose sum is σ = 52103520. Its totient is φ = 11908800.

The previous prime is 25141397. The next prime is 25141409. The reversal of 25141408 is 80414152.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (25141409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20068 + ... + 21283.

It is an arithmetic number, because the mean of its divisors is an integer number (2170980).

Almost surely, 225141408 is an apocalyptic number.

It is an amenable number.

25141408 is an abundant number, since it is smaller than the sum of its proper divisors (26962112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25141408 is a wasteful number, since it uses less digits than its factorization.

25141408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41380 (or 41372 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 25141408 is about 5014.1208601309. The cubic root of 25141408 is about 292.9520436214.

The spelling of 25141408 in words is "twenty-five million, one hundred forty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 41351 82702 165404 330808 661616 785669 1323232 1571338 3142676 6285352 12570704 25141408